Frequency mismatch in narrowband active noise control

This paper analyzes the effects of frequency error in internal signal generator for narrowband active noise control systems. Two stability conditions and the optimum step-size to achieve the minimum excess mean-square error are analyzed in the paper. The noise reduction is formulated as a function o...

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Hauptverfasser:	Hyeon-Jin Jeon, Shin-Wook Kim, Min-Woo Park, Woo-Geun Lee, Tae-Gyu Chang, Kuo, Sen M
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Active noise reduction Control system analysis Control systems Error correction Frequency estimation frequency mismatch FXLMS algorithm Narrowband narrowband active noise control Noise generators Signal analysis Signal generators Stability analysis stability and steady-state analysis
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Zusammenfassung:	This paper analyzes the effects of frequency error in internal signal generator for narrowband active noise control systems. Two stability conditions and the optimum step-size to achieve the minimum excess mean-square error are analyzed in the paper. The noise reduction is formulated as a function of frequency mismatch, step size, and phase error in the estimation of the secondary path. The theoretical analysis presented in the paper is verified by computer simulations.
ISSN:	1520-6149 2379-190X
DOI:	10.1109/ICASSP.2010.5495864